Method and Apparatus for Thermal Management in Wireless Communication

4. The signal processing device of claim 3, wherein the controller is configured to estimate the surface temperature as the surface temperature of a wireless communication device including the signal processing device based on at least the plurality of internal temperatures.

13. The thermal management method of claim 7, wherein the performing of the at least one thermal mitigation operation includes controlling a low complexity signal processing algorithm.

14. The thermal management method of claim 13, wherein the performing of the low complexity signal processing algorithm includes reducing a number of near constellation points in a constellation diagram in demodulation based on maximum likelihood (ML).

15. The thermal management method of claim 13, wherein the performing of the low complexity signal processing algorithm includes performing demodulation based on a matched filter (MF) or a minimum mean squared error (MMSE) selected from among a maximum likelihood (ML), the MF, and the MMSE.

17. The signal processing device of claim 16, wherein the processing circuitry is configured to transition to the fourth state when an amount of continuous time in the second state or the third state exceeds a set time.

19. The signal processing device of claim 16, wherein the processing circuitry is configured to, in the third state, control a low complexity signal processing algorithm.

20. The signal processing device of claim 16, wherein the processing circuitry is configured to, in the fourth state, switch to legacy radio access technology (RAT).